Brownells 75th Anniversary - A Shooting Heritage
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Virtually impervious to weather, nicks, dings or scratches, and up to 30% lighter and 300% stiffer than equivalent weight steel AR barrels, PROOF Research’s carbon fiber-wrapped barrels open up new possibilities in AR performance.

  • These carbon fiber-wrapped barrels provide a high-end alternative to traditional barrels while still maintaining extreme accuracy, performance and durability.  
  • Match-grade accuracy
  • Improved heat dissipation for cooler and longer lasting barrels
  • No point-of-impact shift during high-volume fire
  • Reduced harmonic barrel vibration
  • More about The Science behind there process here:  #ItsScience

NOTE: GAS BLOCK, GAS TUBE and BOLT NOT INCLUDED

308 Winchester barrel utilizes a .875” gas block and 300 AAC a .750” gas block

 

PROOF RESEARCH, INC - AR-15/ 308 AR CARBON FIBER BARRELS

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Cartridge: 300 AAC Blackout

Length: 16"

Barrel Weight: 1.19 lbs

Finish: Carbon Fiber

Gas System Length: Carbine

Muzzle Threads: 5/8-24, ...

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Cartridge: 308 Winchester

Length: 18"

Barrel Weight: 2.56 lbs

Finish: Carbon Fiber

Gas System Length: Rifle

Muzzle Threads: 5/8-24, ...

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